<!DOCTYPE html>
<head>
  <link rel="stylesheet" type="text/css" href="treemap.css">
</head>
<body>
  <form>
    <label><input type="radio" name="mode" value="size" checked> Size</label>
    <label><input type="radio" name="mode" value="count"> Count</label>
  </form>
  <script src="http://d3js.org/d3.v3.min.js"></script>
  <script src="treemap.js"></script>
</body>

